[  717.754926] gre: GRE over IPv4 demultiplexor driver
[  717.946452] ip_gre: GRE over IPv4 tunneling driver
[  727.832703] ip6_gre: GRE over IPv6 tunneling driver
[  729.135191] ip (4120) used greatest stack depth: 12192 bytes left
[  733.963732] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  735.435725] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  736.843731] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  738.379695] ip6_tunnel: tep0 xmit: Local address not yet configured!